– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Wed 19 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat morning. Mild temperatures (max 8°C on Sat morning, min 4°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 49mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sat afternoon, min -3°C on Mon night). Wind will be generally light. | ||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | |  |  |  |  |  |  | | |
some clouds | light rain | light rain | some clouds | some clouds | light rain | light rain | light rain | light rain | light rain | mod. rain | mod. rain | heavy rain | rain shwrs | light snow | rain shwrs | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | |
— | 0.2 | 0.2 | — | — | 0.1 | 0.5 | 0.8 | 2 | 1.1 | 9 | 10 | 18 | 6 | 3 | 2 | — | |
max°C | 7 | 6 | 5 | 5 | 4 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 3 | 2 | 2 | 0 |
min°C | 6 | 4 | 5 | 5 | 4 | 6 | 5 | 6 | 8 | 8 | 8 | 7 | 4 | 2 | 2 | 1 | -3 |
5 | 2 | 3 | 5 | 4 | 6 | 4 | 5 | 8 | 7 | 6 | 5 | 2 | -1 | -1 | 1 | -3 | |
2300 | 1750 | 1300 | 1300 | 1300 | 1600 | 1750 | 2100 | 2050 | 2000 | 1900 | 1850 | 1400 | 850 | 800 | 800 | 300 | |
Cloud base (m) | 6000 | 2250 | 800 | 600 | 800 | 1950 | 750 | 650 | 600 | 600 | 600 | 550 | 550 | 650 | 600 | 600 | 650 |
 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 4mm), mostly falling on Sat morning. Mild temperatures (max 8°C on Sat morning, min 4°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 49mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sat afternoon, min -3°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.